The dollar sign and backslash edit descriptors modify the output
of carriage control specified by the first character of the record.
They only affect carriage control for formatted files, and have no
effect on input.

If the first character of the record is a blank or a plus sign (+),
the dollar sign and backslash descriptors suppress carriage return
(after printing the record).

For terminal device I/O, when this trailing carriage return is
suppressed, a response follows output on the same line. For example,
suppose the following statements are specified: